The real thing has Switzerland stamped all over the outside, and they've even gone so far as to legally protect the name: The Swiss are clearly proud of their Gruyère, and they've got good reason to be.

First documented more than 1,000 years ago in Northern Italy, Gorgonzola has proven to be a gateway cheese for future blue cheese lovers - it can vary from mild to spicy, creamy to firm, and is distinct from just about anything else.